org.springframework.boot.autoconfigure.web.client.RestTemplateBuilderConfigurer Maven / Gradle / Ivy
/*
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.web.client;
import java.util.Collection;
import java.util.List;
import java.util.function.BiFunction;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.boot.web.client.RestTemplateCustomizer;
import org.springframework.boot.web.client.RestTemplateRequestCustomizer;
import org.springframework.util.ObjectUtils;
/**
* Configure {@link RestTemplateBuilder} with sensible defaults.
*
* @author Stephane Nicoll
* @since 2.4.0
*/
public final class RestTemplateBuilderConfigurer {
private HttpMessageConverters httpMessageConverters;
private List restTemplateCustomizers;
private List> restTemplateRequestCustomizers;
void setHttpMessageConverters(HttpMessageConverters httpMessageConverters) {
this.httpMessageConverters = httpMessageConverters;
}
void setRestTemplateCustomizers(List restTemplateCustomizers) {
this.restTemplateCustomizers = restTemplateCustomizers;
}
void setRestTemplateRequestCustomizers(List> restTemplateRequestCustomizers) {
this.restTemplateRequestCustomizers = restTemplateRequestCustomizers;
}
/**
* Configure the specified {@link RestTemplateBuilder}. The builder can be further
* tuned and default settings can be overridden.
* @param builder the {@link RestTemplateBuilder} instance to configure
* @return the configured builder
*/
public RestTemplateBuilder configure(RestTemplateBuilder builder) {
if (this.httpMessageConverters != null) {
builder = builder.messageConverters(this.httpMessageConverters.getConverters());
}
builder = addCustomizers(builder, this.restTemplateCustomizers, RestTemplateBuilder::customizers);
builder = addCustomizers(builder, this.restTemplateRequestCustomizers, RestTemplateBuilder::requestCustomizers);
return builder;
}
private RestTemplateBuilder addCustomizers(RestTemplateBuilder builder, List customizers,
BiFunction, RestTemplateBuilder> method) {
if (!ObjectUtils.isEmpty(customizers)) {
return method.apply(builder, customizers);
}
return builder;
}
}